Kolplin Rhino Grip Xl-single #21510 on 2040-parts.com

Lamborghini Aventador J Roadster revealed officially

Lamborghini Aventador J Roadster After the leak of the Lamborghini Aventador J over the weekend, tonight we get the official reveal of Lamborghini’s stripped-out Aventador Roadster When we ran leaked photos of the Lamborghini Aventador J Roadster at the weekend we said it threatened to steal a bit of Ferrari’s limelight at the Geneva Motor Show – and it will. The Aventador J  Roadster is Aventador to the max, with all fripperies – including the windscreen and roof sacrificed in the pursuit of low weight and extreme performance. Lamborghini say the Aventador J is a four-wheeled sport-bike, and they’re not wrong.

Concept Car of the Week: Lancia Bertone Sibilo (1978)

The second half of the ‘70s saw automotive design fall into an era of uninspired and uninspiring economic cars finished with cheap plastic add-ons and stuffed with beige itchy fabrics. Working from the little Bertone studio in Turin, it seems Marcello Gandini didn't get the memo and carried on drawing futuristic wedgey supercars. With the Sibilo, he pushed his signature angular style to a new level of modernity.

rusEFI: Open-source homebuilt fuel-injection set to rival Megasquirt

Electronic fuel-delivery and ignition controls have given us a new golden age of engine efficiency and performance. Most of us would never go back to the dark ages—say, before 1990—when you could still buy new vehicles with carburetors and clunky distributors. From the point of view of those of us who like to modify our cars, however, the black-box nature of engine-control computers limits our options for making changes to how our fuel-delivery and ignition systems function.